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Impurities and reference standards

Hydroxyethylpromethazine

Also known as Promethazine hydroxyethyl, N-Hydroxyethylpromethazine, (2-hydroxyethyl)dimethyl[1-(10H-phenothiazin-10-yl)propan-2-yl]azanium

CAS 7647-63-4Formula C19H25N2OS+Molar mass 329.49 g/mol
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Hydroxyethylpromethazine chemical structure, C19H25N2OS+, CAS 7647-63-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7647-63-4
Formula
C19H25N2OS+
Molar mass
329.49 g/mol
HS code
293430
Category
Impurities and reference standards

What is Hydroxyethylpromethazine?

Plain description, key identifiers and synonyms

Hydroxyethylpromethazine is a member of phenothiazines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyethyl-dimethyl-(1-phenothiazin-10-ylpropan-2-yl)azanium
CAS number
7647-63-4
Molecular formula
C19H25N2OS+
UNII
571559SLAJ
InChIKey
PDSVTRQOBUIQBQ-UHFFFAOYSA-N
InChI
InChI=1S/C19H25N2OS/c1-15(21(2,3)12-13-22)14-20-16-8-4-6-10-18(16)23-19-11-7-5-9-17(19)20/h4-11,15,22H,12-14H2,1-3H3/q+1
SMILES (canonical and isomeric)
CC(CN1C2=CC=CC=C2SC3=CC=CC=C31)[N+](C)(C)CCO

Synonyms

  • Promethazine hydroxyethyl
  • N-Hydroxyethylpromethazine
  • (2-hydroxyethyl)dimethyl[1-(10H-phenothiazin-10-yl)propan-2-yl]azanium
  • Ammonium, (2-hydroxyethyl)dimethyl(1-methyl-2-phenothiazin-10-ylethyl)-
  • (2-hydroxyethyl)dimethyl(1-(10H-phenothiazin-10-yl)propan-2-yl)azanium
  • 2-hydroxyethyl-dimethyl-(1-phenothiazin-10-ylpropan-2-yl)azanium
  • Promethazine Impurity 67
  • 10H-Phenothiazine-10-ethanaminium, N-(2-hydroxyethyl)-N,N,alpha-trimethyl-
  • N-(2-Hydroxyethyl)-N,N-dimethyl-1-(10H-phenothiazin-10-yl)propan-2-aminium

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
329.49 g/molcalc.
Exact mass
329.1682 Dacalc.
LogP (octanol/water)
3.75calc.
Topological polar surface area
23.47 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.37calc.
Formal charge
1calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)Nc1ccccc1S2

c1ccc2c(c1)Nc1ccccc1S2

3 rings, 14 atoms, the Phenothiazine ring system.

1,001 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Hydroxyethylpromethazine suppliers

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Hydroxyethylpromethazine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hydroxyethylpromethazine is traded under.

HS 2934.30Indicative HS code

Compounds containing in the structure a phenothiazine ring-system (whether or not…

World exports in 2024
$89.3M
−7.1% vs 2023, imports $97M
2019 to 2024
Top exporters
  1. Germany21.6%
  2. France * partner reported14.6%
  3. China13.0%
Top importers
  1. United States14.2%
  2. Brazil12.7%
  3. India * partner reported10.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Hydroxyethylpromethazine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hydroxyethylpromethazine, based on the data on this page

What is Hydroxyethylpromethazine?

Hydroxyethylpromethazine is a member of phenothiazines.

What is the CAS number of Hydroxyethylpromethazine?

The CAS registry number of Hydroxyethylpromethazine is 7647-63-4.

What is the molecular formula and weight of Hydroxyethylpromethazine?

The molecular formula of Hydroxyethylpromethazine is C19H25N2OS+ and its molar mass is 329.49 g/mol.

Is Hydroxyethylpromethazine hazardous?

No GHS hazard classification for Hydroxyethylpromethazine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Hydroxyethylpromethazine?

Hydroxyethylpromethazine is usually classified under HS code 293430 (Compounds containing in the structure a phenothiazine ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydroxyethylpromethazine?

Post a free request on CompoundList and suppliers of Hydroxyethylpromethazine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hydroxyethylpromethazine?

Suppliers quote Hydroxyethylpromethazine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hydroxyethylpromethazine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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